<template>
    <div class="login_container">
        <div class="login_box">

            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/123.png" alt="">
            </div>

                <!-- 表单 -->
            <el-form ref="loginFormRef" :rules="loginFormRules" :model="loginForm" class="login_form" label-width="0px">
                     <!-- 用户名 -->
                    <el-form-item prop="username">
                        <el-input v-model="loginForm.username"  prefix-icon="el-icon-user-solid"></el-input>
                    </el-form-item>

                      <!-- 密码 -->
                      <el-form-item prop="password">
                          <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-lock"></el-input>
                      </el-form-item>
                      <!-- 按钮 -->
                      <el-form-item class="btns">
                          <el-button type="primary" @click="login">登录</el-button>
                          <el-button @click="resetLoginForm" type="info">重置</el-button>
                        </el-form-item>

            </el-form>

        </div>

    </div>

</template>

<script>
export default {
  data () {
    // 登录表单数据绑定对象
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      //   这是表单验证！！！
      loginFormRules: {
        // 验证用户名是否合法！
        username: [
          { required: true, message: '请输入账号', trigger: 'blur' },
          { min: 3, max: 10, message: '账号为3-10个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码为6-15个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 重置表单信息
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    // 表单登录！
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        // console.log(res)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功！')
        // 登录成功后的操作：
        // 保存token,配置路由导航守卫，设置token生命周期，登录成功跳转！
        console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }

}
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 350px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

.avatar_box{
    height: 130px;
    width: 130px;
    border: 3px solid #eee;
    border-radius: 50%;
    padding: 1%;

    position: absolute;
    left: 50%;
    transform: translate(-50%);

    img{
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background-color: #eee;

    }
}

.btns{
    display: flex;
    justify-content: flex-end;
}
.input_btn{
    height: 30%;
}

.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;

}

</style>
